Vulnerability Database

324,292

Total vulnerabilities in the database

CVE-2025-66274

A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack.

We have already fixed the vulnerability in the following version: QuTS hero h5.3.2.3354 build 20251225 and later

  • Published: Feb 11, 2026
  • Updated: Feb 13, 2026
  • CVE: CVE-2025-66274
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 4.9
  • AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWEs:

Software From Fixed in
qnap / quts_hero h5.3.0.3115-build_20250430 h5.3.0.3115-build_20250430.x
qnap / quts_hero h5.3.0.3145-build_20250530 h5.3.0.3145-build_20250530.x
qnap / quts_hero h5.3.0.3192-build_20250716 h5.3.0.3192-build_20250716.x
qnap / quts_hero h5.3.1.3250-build_20250912 h5.3.1.3250-build_20250912.x
qnap / quts_hero h5.3.1.3292-build_20251024 h5.3.1.3292-build_20251024.x